National Snow and Ice Data Center (NSIDC): http://nsidc.org
Landsat: http://landsat.usgs.gov//index.php
Climate and Cryosphere Resource Database: http://www.climate-cryosphere.org/resources/resource-database
Antarctica
Landsat Image Mosaic of Antarctica: http://lima.nasa.gov/
Quantarctica (GIS package for Antarctica): http://www.quantarctica.org/
Mapping: Mapping tools for Matlab provided by Chad Greene
Greenland
Radiostratigraphy: http://www.ig.utexas.edu/people/staff/joemac/Greenland_radiostratigraphy.html
(from MacGregor et al., 2015a, b)
Analysis
Matlab: http://www.mathworks.com/products/matlab/ + Tutorials
Python: https://www.python.org/doc/ + Tutorial
QGIS: http://www.qgis.org/en/site/
OpendTect: http://opendtect.org/